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©2012 Pella Corporation
WINDOW REPLACEMENT INSTRUCTIONS FOR CASEMENT,
DOUBLE-HUNG AND CLAD FRAME WINDOWS INTO EXISTING
DOUBLE-HUNG FRAME USING FRAME SCREWS
These instructions were tested and developed for replacing windows in wood-frame wall
construction systems designed to manage moisture. This method of installation involves
removing the sash only of the existing window. The original window frame will remain
in place and only the existing sash, exterior stops and frame hardware must be removed.
Installation recommendations for other types of wall construction, wall systems or conditions may
be obtained from Pella Corporation or a local Pella retailer. Building designs, construction methods,
building materials, and site conditions unique to your project may require an installation method
different from these instructions and additional care on your part. Determining the appropriate
installation method is the responsibility of you, your architect, or other construction professional.
YOU WILL NEED TO SUPPLY:
• Cedar or Impervious shims/spacers (12 to 20)
• Closed cell foam backer rod/sealant backer
(12 to 30 ft.)
• Pella® SmartFlash™ foil backed butyl window
and door flashing tape or equivalent
• Pella Window and Door Installation Sealant or
equivalent high quality, multi-purpose sealant
(1 tube per window)
• Low expansion, low pressure polyurethane
insulating window and door foam sealant - DO
NOT use high pressure or latex foams
• #8 x 3-1/4" Finish head screws
(6 to 10 per window)
• Pella replacement window sill adapter
Installation will require two or
more persons for safety reasons.
REMEMBER TO USE APPROPRIATE
PERSONAL PROTECTIVE EQUIPMENT
CAUTION: Many windows in older
homes are painted with lead-based
paint. Removal of old windows may
disturb this paint. Proper precautions
must be taken to minimize exposure to
dust and debris. Consult state or local
authorities for more information.
Always read the Pella® Limited Warranty before purchasing or installing Pella products.
By installing this product, you are acknowledging that this Limited Warranty is part of the terms of
the sale. Failure to comply with all Pella installation and maintenance instructions may void your
Pella product warranty. See Limited Warranty for complete details at http://warranty.pella.com.
Sill Adapter
Part Number: 80WX0101
TOOLS REQUIRED:
• Tape measure
• Level
• Sealant gun
• Prybar
• Utility knife
• Putty knife
• Hammer
• Screwdrivers (Flat & Phillips)
• Adjustable pliers
• Side Cuts
• Roto-tool, reciprocating saw
• Wood chisel
• 1/8" drill bit
• Drill
E X
Flashing Tape
T E
R I O
R
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Summary of Contents for Pella 80WX0101
- Page 1 By installing this product, you are acknowledging that this Limited Warranty is part of the terms of the sale. Failure to comply with all Pella installation and maintenance instructions may void your Pella product warranty. See Limited Warranty for complete details at http://warranty.pella.com.
- Page 2 REMOVE THE EXISTING SASH Note: Remove the new window from its packaging. Inspect and measure the new window to ensure it will fit into the opening prior to removing the existing window. The window needs to be 3/4" smaller in both width and height than the pocket frame.
- Page 3 OPENING PREPARATION A. Inspect the existing window frame and repair or replace any defective or rotted wood parts. R I O B. Clean the opening of any dirt, debris, or excess old paint before proceeding. C. Apply one piece of sill flashing tape to the sill of the existing window. Cut the tape the same length as the width of the existing window sill. Place one side of the tape against the vertical leg of the stool, and work...
- Page 4 Pella replacement sill adapter accessory or by using wood blocking as needed. B. If using the Pella replacement sill adapter accessory the sill adapter will need to be cut to the same length as the sill of the window and slid into the sill fin groove. This adapter may be adjusted to accommodate different sill angles by breaking off the grooved leg at the desired dimension.
-
Page 5: Interior Seal
INTERIOR SEAL CAUTION: Ensure use of low pressure polyurethane window and door insulating foams and strictly follow the foam manufacturer’s recommendations for application. Use of high pressure foams or improper application of the foam may cause the window frame to bow and hinder operation. EXTERIOR A. -
Page 6: Care And Maintenance
® with Pella installation instructions; or the use of Pella products in wall systems which do not allow for proper management of moisture within the wall systems. The determination of the suitability of all building components, including the use of Pella products, as well as the design and installation of flashing and sealing systems are the responsibility of the Buyer or User, the architect, contractor, installer, or other construction professional and are not the responsibility of Pella. - Page 7 INSTALLING ROTO COVER AND CRANK Note: Finish the interior of the window and allow the window to dry before proceeding with these instructions. (To open the window for finishing, partially insert the lock handle into the jamb, unlock the unit, temporarily attach the crank handle and turn to open.) A.
- Page 8 LOCK LEVER REMOVAL AND INSERTION Note: You may want to remove the lock lever prior to finishing the window, or if it needs to be replaced with a lock lever in a different finish. A. Unlock and open the window. Interior Exterior B.
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